President Pranab Mukherjee with Delhi Chief Minister Arvind Kejriwal arrives to teach students at a Government School on the occasion of Teachers Day in New Delhi.

School children dress up as lord Krishna to celebrate Janmashtami at a school in Amritsar.

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Prime Minister Narendra Modi and HRD Minister Smriti Irani arrive at an interaction with school children, on the eve of Teachers Day at Manekshaw Centre, in New Delhi.

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The Cotopaxi volcano spews ash and vapor, as seen from El Pedregal, Ecuador.

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Arizona fans cheer before an NCAA college football game against UTSA, in Tucson, Ariz.

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Andy Murray, of the United Kingdom, returns a shot to Adrian Mannarino, of France, during the second round of the U.S. Open tennis tournament.

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Hardik Patel, Convener of Patidar Anamat Andolan Samiti speaks to leaders of Patidar community during Patidar panchayat meeting in Ahmedabad.

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Police lathicharge dalit community members during a protest against Congress MP Vijay Darda and his regional newpaper after it published an article on reservation policy near Lokmat Square in Nagpur, Maharashtra.

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Japans Shinjji Okazaki (9), second left, and Yoshinori Muto, right, battle for the ball with Cambodias Thierry Chatha Bin (4) and Rous Samoeun, left, in front of the Cambodias goal during their second round soccer match of regional qualifiers for the 2018 World Cup in Saitama, north of Tokyo.